/*

 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

// define this with a later version of ALSA than 0.9.0rc3

// (starting from 1.0.0 it became default behaviour)

#define ALSA_PCM_NEW_HW_PARAMS_API

#include <alsa/asoundlib.h>

#include "Utilities.h"

#ifndef PLATFORM_API_LINUXOS_ALSA_PCMUTILS_H_INCLUDED

#define PLATFORM_API_LINUXOS_ALSA_PCMUTILS_H_INCLUDED

// if this is defined, use plughw: devices

#define ALSA_PCM_USE_PLUGHW

//#undef ALSA_PCM_USE_PLUGHW

// maximum number of channels that is listed in the formats. If more, than

// just -1 for channel count is used.

#define MAXIMUM_LISTED_CHANNELS 32

typedef struct tag_ALSA_AudioDeviceDescription {

    int index;          // in

    int strLen;         // in

    INT32* deviceID;    // out

    int* maxSimultaneousLines; // out

    char* name;         // out

    char* vendor;       // out

    char* description;  // out

    char* version;      // out

} ALSA_AudioDeviceDescription;

int getAudioDeviceCount();

int getAudioDeviceDescriptionByIndex(ALSA_AudioDeviceDescription* desc);

// returns ALSA error code, or 0 if successful

int openPCMfromDeviceID(int deviceID, snd_pcm_t** handle, int isSource, int hardware);

// returns 1 if successful

// enc: 0 for PCM, 1 for ULAW, 2 for ALAW (see DirectAudio.h)

int getFormatFromAlsaFormat(snd_pcm_format_t alsaFormat,

                            int* sampleSizeInBytes, int* significantBits,

                            int* isSigned, int* isBigEndian, int* enc);

int getAlsaFormatFromFormat(snd_pcm_format_t* alsaFormat,

                            int sampleSizeInBytes, int significantBits,

                            int isSigned, int isBigEndian, int enc);

#endif // PLATFORM_API_LINUXOS_ALSA_PCMUTILS_H_INCLUDED